Even though a hard drive spins at 7200 times per minute or even faster, that's relatively slower than the speed of light.
即使一个硬盘驱动器的转速达到每分钟7200次,甚至更快,仍然比光速慢。
If he switched from gold to let's say iron, he also tried platinum, a number of different foils, he found that they count rate it still was 20 alpha particles per minute.
金箔的时候,计数率就变成零了,如果他把金换成比如说铁,他们还尝试了铂,还有一系列其他的箔片,他发现计数率还是每分钟。
And right before the last slide, what does it look like in the lab, what we have been able to achieve is a system that performs about 15 words per minute.
在看最后一张幻灯片之前,我们了解了实验室要做的事情,我们能够建立一个系统,每分钟输出15个单词。
This is the pulse of music and music theorists ever since the late fifteenth century from music theory Francinus Gafurius on we could go all the way back then have said that the pulse in music is basically at the same tempo as the human pulse which comes out to be about oh, we'll say seventy-two beats if you will, pulses, per minute.
这是音乐的脉搏,从十五世纪晚期到现在的音乐理论家们,像弗朗西斯·加福瑞,我们回到那个年代,那时就曾说过,音乐的律动,和人类的脉搏节奏基本一致,就是说相当于,我们说如果是你的脉搏的话,每分钟七十二下左右
And, of course, all that's left is this positive pudding. So that's not going to do anything either. And what he found when he did this experiment, was that the count rate with still 132 000 counts per minute.
剩下的是带正电的布丁,也不会产生什么影响,结果他实验上观测到,计数器测得每分钟132000下,所以到目前为止,他可以说实验。
So, what he detected was that there were 20 alpha particles per minute.
可以探测到20个alpha粒子,这个听上去很重要吗?
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